/**
 * CarbonBox v1.2
 * A zero-dependency, licence-free lightbox library
 * Built for Carbon Creative
 */

:root {
    --cb-z-index: 99999;
    --cb-backdrop: rgba(0, 0, 0, 0.92);
    --cb-accent: #ffffff;
    --cb-accent-dim: rgba(255, 255, 255, 0.68);
    --cb-font: system-ui, -apple-system, sans-serif;
    --cb-radius: 4px;
    --cb-transition: 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --cb-slide-speed: 300ms;
    --cb-slide-easing: cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --cb-thumb-size: 56px;
    --cb-toolbar-height: 48px;
}

.cb-overlay {
    position: fixed;
    inset: 0;
    z-index: var(--cb-z-index);
    background: var(--cb-backdrop);
    display: flex;
    flex-direction: column;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--cb-transition), visibility var(--cb-transition);
    font-family: var(--cb-font);
    -webkit-font-smoothing: antialiased;
    overscroll-behavior: contain;
}

.cb-overlay.cb-active {
    opacity: 1;
    visibility: visible;
}

.cb-overlay.cb-closing {
    opacity: 0;
}

.cb-toolbar {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    min-height: var(--cb-toolbar-height);
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    gap: 8px;
    padding: 4px 12px;
    z-index: 6;
    background: linear-gradient(to bottom, rgba(0, 0, 0, 0.55), transparent);
}

.cb-toolbar__group {
    display: flex;
    align-items: center;
    gap: 4px;
    min-width: 0;
}

.cb-toolbar__group--left {
    justify-content: flex-start;
}

.cb-toolbar__group--middle {
    justify-content: center;
}

.cb-toolbar__group--right {
    justify-content: flex-end;
}

.cb-toolbar__counter {
    color: var(--cb-accent-dim);
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 0.02em;
    user-select: none;
    white-space: nowrap;
}

.cb-btn {
    appearance: none;
    border: none;
    background: transparent;
    color: var(--cb-accent);
    width: 40px;
    height: 40px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    border-radius: var(--cb-radius);
    transition: background 0.2s, opacity 0.2s;
    opacity: 0.78;
    padding: 0;
}

.cb-btn:hover {
    opacity: 1;
    background: rgba(255, 255, 255, 0.1);
}

.cb-btn:focus-visible {
    outline: 2px solid var(--cb-accent);
    outline-offset: 2px;
    opacity: 1;
}

.cb-btn svg {
    width: 20px;
    height: 20px;
    fill: none;
    stroke: currentColor;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.cb-btn--active,
.cb-grid-open .cb-btn--grid {
    opacity: 1;
    background: rgba(255, 255, 255, 0.12);
}

.cb-grid-open .cb-btn--slideshow {
    display: none !important;
}

.cb-stage {
    flex: 1 1 auto;
    min-height: 0;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    touch-action: pan-y;
}

.cb-slides {
    display: flex;
    width: 100%;
    height: 100%;
    transition: transform var(--cb-slide-speed) var(--cb-slide-easing);
    will-change: transform;
}

.cb-slides.cb-dragging {
    transition: none;
    cursor: grabbing;
}

.cb-slide {
    flex: 0 0 100%;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 60px 60px 28px;
    box-sizing: border-box;
    position: relative;
}

.cb-effect-fade .cb-slides {
    position: relative;
    display: block;
    transform: none !important;
    transition: none;
}

.cb-effect-fade .cb-slide {
    position: absolute;
    inset: 0;
    width: 100%;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity var(--cb-slide-speed) ease, visibility var(--cb-slide-speed) ease;
}

.cb-effect-fade .cb-slide--active {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

@media (max-width: 768px) {
    .cb-toolbar {
        grid-template-columns: 1fr auto;
    }

    .cb-toolbar__group--middle {
        display: none;
    }

    .cb-slide {
        padding: 56px 12px 20px;
    }

    .cb-caption {
        max-width: calc(100vw - 24px);
        padding: 8px 12px 4px;
        font-size: 13px;
    }
}

.cb-slide__image {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    border-radius: var(--cb-radius);
    user-select: none;
    -webkit-user-drag: none;
    cursor: grab;
}

.cb-slides.cb-dragging .cb-slide__image {
    cursor: grabbing;
}

.cb-slide__media {
    width: 100%;
    max-width: 960px;
    aspect-ratio: 16 / 9;
    border-radius: var(--cb-radius);
    overflow: hidden;
    background: #000;
    position: relative;
}

.cb-slide__placeholder {
    width: 100%;
    max-width: 960px;
    aspect-ratio: 16 / 9;
    border-radius: var(--cb-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--cb-accent-dim);
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    font-size: 14px;
}

.cb-slide__media iframe,
.cb-slide__media video {
    width: 100%;
    height: 100%;
    border: none;
    display: block;
}

.cb-slide__iframe {
    width: 90vw;
    max-width: 1100px;
    height: 80vh;
    border: none;
    border-radius: var(--cb-radius);
    background: #fff;
}

.cb-slide__html {
    background: #fff;
    color: #1a1a1a;
    border-radius: 8px;
    padding: 32px;
    max-width: 640px;
    width: 90vw;
    max-height: 80vh;
    overflow-y: auto;
    box-shadow: 0 24px 80px rgba(0, 0, 0, 0.4);
}

.cb-spinner {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 36px;
    height: 36px;
    border: 3px solid rgba(255, 255, 255, 0.15);
    border-top-color: var(--cb-accent);
    border-radius: 50%;
    animation: cb-spin 0.7s linear infinite;
}

@keyframes cb-spin {
    to {
        transform: translate(-50%, -50%) rotate(360deg);
    }
}

.cb-error {
    max-width: 420px;
    padding: 24px;
    text-align: center;
    color: var(--cb-accent-dim);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.04);
}

.cb-error strong {
    display: block;
    margin-bottom: 8px;
    color: var(--cb-accent);
    font-size: 16px;
}

.cb-error a {
    color: var(--cb-accent);
    text-decoration: underline;
}

.cb-caption {
    position: relative;
    z-index: 3;
    flex-shrink: 0;
    max-width: min(920px, calc(100vw - 32px));
    margin: 0 auto;
    padding: 10px 16px 4px;
    color: var(--cb-accent-dim);
    font-size: 14px;
    line-height: 1.5;
    text-align: center;
    pointer-events: none;
}

.cb-caption:empty {
    display: none;
}

.cb-caption a {
    color: var(--cb-accent);
    pointer-events: auto;
}

.cb-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 4;
}

.cb-nav--prev {
    left: 8px;
}

.cb-nav--next {
    right: 8px;
}

.cb-nav .cb-btn {
    width: 44px;
    height: 44px;
    background: rgba(0, 0, 0, 0.35);
    backdrop-filter: blur(8px);
    opacity: 1;
    border-radius: 50%;
}

.cb-nav .cb-btn:hover {
    background: rgba(0, 0, 0, 0.6);
}

.cb-nav .cb-btn svg {
    width: 22px;
    height: 22px;
}

@media (max-width: 768px) {
    .cb-nav {
        display: none;
    }
}

.cb-thumbs {
    display: flex;
    gap: 6px;
    justify-content: center;
    padding: 6px 12px 12px;
    overflow-x: auto;
    scrollbar-width: none;
    z-index: 2;
    flex-shrink: 0;
}

.cb-thumbs::-webkit-scrollbar {
    display: none;
}

.cb-thumbs:empty {
    display: none;
}

.cb-thumb {
    flex: 0 0 var(--cb-thumb-size);
    width: var(--cb-thumb-size);
    height: var(--cb-thumb-size);
    border-radius: var(--cb-radius);
    overflow: hidden;
    cursor: pointer;
    opacity: 0.45;
    transition: opacity 0.2s, outline-color 0.2s;
    outline: 2px solid transparent;
    outline-offset: 2px;
    background: rgba(255, 255, 255, 0.05);
    border: none;
    padding: 0;
}

.cb-thumb:hover {
    opacity: 0.75;
}

.cb-thumb.cb-thumb--active {
    opacity: 1;
    outline-color: var(--cb-accent);
}

.cb-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.cb-thumb__icon {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--cb-accent-dim);
}

.cb-thumb__icon svg {
    width: 24px;
    height: 24px;
    fill: none;
    stroke: currentColor;
    stroke-width: 2;
}

.cb-grid-panel {
    position: absolute;
    inset: 48px 0 0;
    background: rgba(0, 0, 0, 0.92);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.2s ease, visibility 0.2s ease;
    z-index: 5;
    overflow-y: auto;
}

.cb-grid-open .cb-grid-panel {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

.cb-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 12px;
    padding: 20px;
}

.cb-grid__item {
    appearance: none;
    border: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(255, 255, 255, 0.04);
    border-radius: 8px;
    overflow: hidden;
    padding: 0;
    cursor: pointer;
    text-align: left;
    transition: transform 0.2s ease, border-color 0.2s ease;
}

.cb-grid__item:hover,
.cb-grid__item:focus-visible {
    transform: translateY(-2px);
    border-color: rgba(255, 255, 255, 0.24);
    outline: none;
}

.cb-grid__item--active {
    border-color: rgba(255, 255, 255, 0.5);
}

.cb-grid__item img,
.cb-grid__icon {
    width: 100%;
    aspect-ratio: 4 / 3;
    display: block;
    object-fit: cover;
    background: rgba(255, 255, 255, 0.04);
}

.cb-grid__icon {
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--cb-accent-dim);
}

.cb-grid__icon svg {
    width: 28px;
    height: 28px;
    stroke: currentColor;
}

.cb-grid__label {
    display: block;
    padding: 10px 12px;
    color: rgba(255, 255, 255, 0.86);
    font-size: 13px;
    line-height: 1.4;
}

.cb-overlay.cb-fullscreen {
    border-radius: 0;
}

body.cb-lock {
    overflow: hidden;
    padding-right: var(--cb-scrollbar-width, 0px);
}